﻿// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

namespace System.Private.Windows.Core.BinaryFormat;

internal abstract partial class NullRecord
{
    /// <summary>
    ///  Multiple null object record (less than 256).
    /// </summary>
    /// <remarks>
    ///  <para>
    ///   <see href="https://learn.microsoft.com/openspecs/windows_protocols/ms-nrbf/f4abb5dd-aab7-4e0a-9d77-1d6c99f5779e">
    ///    [MS-NRBF] 2.5.5
    ///   </see>
    ///  </para>
    /// </remarks>
    internal sealed class ObjectNullMultiple256 :
        NullRecord,
        IRecord<ObjectNullMultiple256>,
        IBinaryFormatParseable<ObjectNullMultiple256>
    {
        public static RecordType RecordType => RecordType.ObjectNullMultiple256;

        public ObjectNullMultiple256(Count count) => NullCount = count;

        static ObjectNullMultiple256 IBinaryFormatParseable<ObjectNullMultiple256>.Parse(
            BinaryFormattedObject.IParseState state) => new(state.Reader.ReadByte());

        public void Write(BinaryWriter writer)
        {
            writer.Write((byte)RecordType);
            writer.Write(checked((byte)NullCount));
        }
    }
}
